package com.itheima.reggie.config;

import com.itheima.reggie.common.JacksonObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcSupport extends WebMvcConfigurationSupport {
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        log.info("开始静态资源映射");
        /*
         * 配置管理端静态资源的放行规则
         * */
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        //客户端

        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");


    }

    /**
     * 扩展MVC框架的消息转换器
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        //创建消息转换器
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();

        //设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());

        //将上面的消息转换器对象追加到MVC框架的转换器集合中
        converters.add(0, messageConverter);


    }
}
